Experimental study on starting characteristics of vertical axis wind turbine with resistance wind-cup structure

BAI Yuedi; TONG Guoqiang; JIANG Yu; LI Yan; FENG Fang; ZHAO Bin

doi:10.11729/syltlx20190105

Volume 34 Issue 6

Dec. 2020

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Journal of Experiments in Fluid Mechanics > 2020 > 34(6): 38-44, 65. > DOI: 10.11729/syltlx20190105

BAI Yuedi, TONG Guoqiang, JIANG Yu, LI Yan, FENG Fang, ZHAO Bin. Experimental study on starting characteristics of vertical axis wind turbine with resistance wind-cup structure[J]. Journal of Experiments in Fluid Mechanics, 2020, 34(6): 38-44, 65. DOI: 10.11729/syltlx20190105

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Experimental study on starting characteristics of vertical axis wind turbine with resistance wind-cup structure

BAI Yuedi^1,,
TONG Guoqiang¹,
JIANG Yu¹,
LI Yan^{1, 2, ,},
FENG Fang^{2, 3, 4},
ZHAO Bin⁵

1.
Engineering College, Northeast Agricultural University, Harbin 150030, China
2.
Heilongjiang Provincial Key Laboratory of Technology and Equipment for Utilization of Agricultural Renewable Resources in Cold Region, Harbin 150030, China
3.
Key Laboratory of Wind Energy and Solar Energy Technology(Inner Mongolia University of Technology), Ministry of Education, Huhhot 010051, China
4.
College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China
5.
Energy research demonstration center of Tibet autonomous region, Lhasa 850000, China

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Received Date: August 01, 2019
Revised Date: June 14, 2020

Graphical Abstract

Abstract

Abstract

In order to improve the starting characteristics of SB-VAWT, a wind-cup structure is installed inside the wind turbine. Through static torque wind tunnel test and PIV visualization test, the influence of wind-cup structure on the starting characteristics of double-blade SB-VAWT is studied. The results show that the wind-cup structure has a significant influence on the inner flow of the SB-VAWT. At some azimuth angles, the flow separation phenomenon at the tail of SB-VAWT lift blade is improved by the wind-cup structure, and the vortex is weakened, reducing the energy loss. In a rotation period, the existence of the wind-cup structure also produces the torque acting on the rotor axis, so the static starting moment of the vertical axis wind turbine with the wind-cup structure is higher than the static starting moment of SB-VAWT.
- SB-VAWT,
- starting characteristics,
- wind-cup structure,
- flow field visualization test,
- wind tunnel test

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References (17)

References

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